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Code Issues Releases Activity

--clang option to scons

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This commit is contained in:
Mathias Stearn 2011-03-11 17:06:41 -05:00
parent 2b58bd8904
commit 7b2a336ed1
1 changed files with 13 additions and 1 deletions
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14
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@ -147,6 +147,7 @@ add_option( "durableDefaultOn" , "have durable default to on" , 0 , True )
add_option( "pch" , "use precompiled headers to speed up the build (experimental)" , 0 , True , "usePCH" )
add_option( "distcc" , "use distcc for distributing builds" , 0 , False )
add_option( "clang" , "use clang++ rather than g++ (experimental)" , 0 , True )
# debugging/profiling help
@ -212,6 +213,10 @@ env = Environment( MSVS_ARCH=msarch , tools = ["default", "gch"], toolpath = '.'
if has_option( "cxx" ):
env["CC"] = get_option( "cxx" )
env["CXX"] = get_option( "cxx" )
elif has_option("clang"):
env["CC"] = 'clang'
env["CXX"] = 'clang++'
env["LIBPATH"] = []
if has_option( "libpath" ):
@ -677,7 +682,9 @@ if nix:
# env.Append( " -Wconversion" ) TODO: this doesn't really work yet
if linux:
env.Append( CPPFLAGS=" -Werror " )
env.Append( CPPFLAGS=" -fno-builtin-memcmp " ) # glibc's memcmp is faster than gcc's
if not has_option('clang'):
env.Append( CPPFLAGS=" -fno-builtin-memcmp " ) # glibc's memcmp is faster than gcc's
env.Append( CXXFLAGS=" -Wnon-virtual-dtor " )
env.Append( LINKFLAGS=" -fPIC -pthread -rdynamic" )
env.Append( LIBS=[] )
@ -722,6 +729,11 @@ if nix:
# pre-compiled headers
if usePCH and 'Gch' in dir( env ):
print( "using precompiled headers" )
if has_option('clang'):
#env['GCHSUFFIX'] = '.pch' # clang++ uses pch.h.pch rather than pch.h.gch
#env.Prepend( CXXFLAGS=' -include pch.h ' ) # clang++ only uses pch from command line
print( "ERROR: clang pch is broken for now" )
Exit(1)
env['Gch'] = env.Gch( [ "pch.h" ] )[0]
elif os.path.exists('pch.h.gch'):
print( "removing precompiled headers" )